<!-- 通用CSS -->
<head th:fragment=header(title)>
    <meta charset="UTF-8">
    <link th:href="@{favicon.ico}" rel="shortcut icon"/>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.1/dist/css/bootstrap.min.css" rel="stylesheet"
          integrity="sha384-F3w7mX95PdgyTmZZMECAngseQB83DfGTowi0iMjiWaeVhAn4FJkqJByhZMI3AhiU" crossorigin="anonymous">
    <!--    <link th:href="@{/css/bootstrap.min.css}" rel="stylesheet"/>-->
    <title th:text="${title}"></title>
</head>